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    <title>question Re: A server error has occurred. Send the following information to Cloudera. in Archives of Support Questions (Read Only)</title>
    <link>https://community.cloudera.com/t5/Archives-of-Support-Questions/A-server-error-has-occurred-Send-the-following-information/m-p/23426#M4500</link>
    <description>&amp;gt; GenericJDBCException: Could not open connection&lt;BR /&gt;&lt;BR /&gt;This implies Cloudera Manager is unable to connect to the database. If&lt;BR /&gt;you're using the embedded postgresql database, ensure it is running.&lt;BR /&gt;Visit the file /etc/cloudera-scm-server/db.properties. Use the&lt;BR /&gt;authentication creds in it and try to connect to the database&lt;BR /&gt;directly, like "psql -U user -p password database". Does it work?&lt;BR /&gt;&lt;BR /&gt;</description>
    <pubDate>Thu, 08 Jan 2015 03:18:50 GMT</pubDate>
    <dc:creator>GautamG</dc:creator>
    <dc:date>2015-01-08T03:18:50Z</dc:date>
    <item>
      <title>A server error has occurred. Send the following information to Cloudera.</title>
      <link>https://community.cloudera.com/t5/Archives-of-Support-Questions/A-server-error-has-occurred-Send-the-following-information/m-p/23425#M4499</link>
      <description>&lt;P&gt;I'm using CM 5.2,&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;When i change the IP on my cluster , then restart CM, it wont detect my new IP address.&lt;/P&gt;&lt;P&gt;&amp;nbsp;&amp;nbsp; Then i try to fix by edit /etc/cloudera-scm-agent/config.ini, but still don't work.&lt;/P&gt;&lt;P&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; TILL NOW, I STILL CAN ACCESS TO CLOUDERA MANAGER.&lt;/P&gt;&lt;P&gt;Then, i try to update coudera manager to 5.3, hope that the update can auto reconfig the IP, this is when i got the whole new error, i can access to CM, but the HOME, CLUSTER and HOST tab wont show anything and i got this error:&amp;nbsp;&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;A server error has occurred. Send the following information to Cloudera.&lt;/P&gt;&lt;P&gt;&lt;STRONG&gt;Path: &lt;A target="_blank" href="http://192.168.6.10:7180/cmf/parcel/topLevelCount"&gt;http://192.168.6.10:7180/cmf/parcel/topLevelCount&lt;/A&gt;&lt;/STRONG&gt;&lt;/P&gt;&lt;P&gt;&lt;STRONG&gt;Version: Cloudera Express 5.3.0 (#166 built by jenkins on 20141218-0505 git: 9ec4939d0a7b563597da611c675725916369a60d) &lt;/STRONG&gt;&lt;/P&gt;&lt;DIV&gt;&lt;DIV class="Toggler errorSummary alert alert-error"&gt;&lt;STRONG&gt;javax.persistence.PersistenceException&lt;/STRONG&gt;:org.hibernate.exception.GenericJDBCException: Could not open connection&lt;BR /&gt;at &lt;STRONG&gt;AbstractEntityManagerImpl.java line 1387&lt;/STRONG&gt;&lt;BR /&gt;in org.hibernate.ejb.AbstractEntityManagerImpl convert()&lt;/DIV&gt;&lt;/DIV&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;</description>
      <pubDate>Fri, 16 Sep 2022 09:18:07 GMT</pubDate>
      <guid>https://community.cloudera.com/t5/Archives-of-Support-Questions/A-server-error-has-occurred-Send-the-following-information/m-p/23425#M4499</guid>
      <dc:creator>MabuXayda</dc:creator>
      <dc:date>2022-09-16T09:18:07Z</dc:date>
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    <item>
      <title>Re: A server error has occurred. Send the following information to Cloudera.</title>
      <link>https://community.cloudera.com/t5/Archives-of-Support-Questions/A-server-error-has-occurred-Send-the-following-information/m-p/23426#M4500</link>
      <description>&amp;gt; GenericJDBCException: Could not open connection&lt;BR /&gt;&lt;BR /&gt;This implies Cloudera Manager is unable to connect to the database. If&lt;BR /&gt;you're using the embedded postgresql database, ensure it is running.&lt;BR /&gt;Visit the file /etc/cloudera-scm-server/db.properties. Use the&lt;BR /&gt;authentication creds in it and try to connect to the database&lt;BR /&gt;directly, like "psql -U user -p password database". Does it work?&lt;BR /&gt;&lt;BR /&gt;</description>
      <pubDate>Thu, 08 Jan 2015 03:18:50 GMT</pubDate>
      <guid>https://community.cloudera.com/t5/Archives-of-Support-Questions/A-server-error-has-occurred-Send-the-following-information/m-p/23426#M4500</guid>
      <dc:creator>GautamG</dc:creator>
      <dc:date>2015-01-08T03:18:50Z</dc:date>
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